diff --git a/mace/core/testing/test_benchmark.cc b/mace/core/testing/test_benchmark.cc
index 778ddb415e0edf8baa01fb57c220cbcafd031893..4d158b25d99a84cc9efd071a3094adcb2ec8ca45 100644
--- a/mace/core/testing/test_benchmark.cc
+++ b/mace/core/testing/test_benchmark.cc
@@ -2,8 +2,6 @@
 // Copyright (c) 2017 XiaoMi All rights reserved.
 //
 
-#include "mace/core/testing/test_benchmark.h"
-
 #include <cstdio>
 #include <cstdlib>
 
@@ -11,6 +9,7 @@
 #include <vector>
 #include "mace/core/logging.h"
 #include "mace/core/testing/env_time.h"
+#include "mace/core/testing/test_benchmark.h"
 
 namespace mace {
 namespace testing {
diff --git a/mace/examples/benchmark_example.cc b/mace/examples/benchmark_example.cc
index c3eb4d03918c4d83b05864bf1d2baf58a4d36dd4..dc3b9c4a2f6e7423b0d27446832e2a3729d89159 100644
--- a/mace/examples/benchmark_example.cc
+++ b/mace/examples/benchmark_example.cc
@@ -1,3 +1,6 @@
+//
+// Copyright (c) 2017 XiaoMi All rights reserved.
+//
 
 #include "mace/core/testing/test_benchmark.h"